SPDS 09052014

8/22/2014

Other Potential Identification Techniques

– Electrophoresis • Paper electrophoresis migration factor – NMR • Ability to distinguish over‐sulfated CS from  heparin

Identity Standard Method Performance Requirements – Must be able to positively identify material as  CS when material contains at least 90% CS with  95% confidence. – Must be able to distinguish CS from related  GAGs, proteins, alginates, carrageenan, and  polyphosphates. – May be combination of two or more  t h i ec n ques.

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